Science, asked by shanupari2006, 5 months ago

ii) Calculate the number of moles in-(2)
A. 60g of calcium
B. 32g of oxygen atoms.
(Atomic mass of Ca=40u, O=16u)

Answers

Answered by deepu2102

1

Number of moles =mass divided
by molecular mass
A) 1.5 moles of calcium
B) 2 moles of oxygen

Previous Question

Next Question

Similar questions

India Languages, 2 months ago

மழையின் சிறப்பு குறித்து மாங்குடி மருதனார் கூறியது யாது?

Math, 2 months ago

Seven times one means =_____×____...

Math, 2 months ago

1/3 = ( )/12 please solve this question is for 3 marks if u solve it properly I take u in brainlist and give u 500 points...

English, 5 months ago

You are Prabhat Sinha, the senior Librarian of your school, Lotus Garden School, Pritampura. Your school library is being expanded, so you need reference books for all subjects. Write a letter placing an order with KBC Publishers, Karol Bagh, New Delhi ...

Chinese, 5 months ago

Solve the following equation by trial and error method : (i) 3 X + 5 = 14...

Business Studies, 9 months ago

Define the term ‘Advertising’...

Business Studies, 9 months ago

To which tool of marketing mix does ‘Brand Name’ relate? a) Product b) Price c) Place d) Promotion...

Geography, 9 months ago

सही / गलत का चयन करें । 1. बल वह कारण है जो वस्तुओं के गति में परिवर्तन लाता हैं । 2.बल का केवल परिमाण होता हैं । 3. बल का मात्रक न्यूटन हैं । 4. दो वस्तुओं के बीच अन्योन्यक्रिया कै कारण उनके बीच बल लगते हैं । 5. अधिकांश पशु पेशीय बल का उपयोग कर विभिन्न कार्य संपन्न करते हैं । 6. घर्षण बल सतहों के खुरदरेपन पर निर्भर नहीं करता हैं । 7. पेशीय बल एवं घर्षण बल दोनों असंपर्क बल के...